Aprilaire-4040-Humidifier-24V-Solenoid-Valve

About The Aprilaire 4040 Humidifier 24V Solenoid Valve The Aprilaire 4040 Humidifier 24V Solenoid Valve provides an entry point for water to enter your humidifier. The Aprilaire 4040 Humidifier 24V Solenoid Valve can be used with all Aprilaire commercial humidifiers as well as models 220, 224, 400, 440, 550, 550A, 558, 560, 560A, 568, 600, 760, 760A, 768 amp; 700. The Aprilaire 4040 Humidifier 24V Solenoid Valve operates on 24 volts and is manufactured by Peter Paul to fit Aprilaire humidifiers. Please Note: Aprilaire suggests any wiring on your humidifier be done by an Aprilaire dealer.